.menu-container {
    width: 200px;
    list-style: none;
    margin: 0 auto;
    
    padding: 0;
}

.menu {
    width: 100%;

}
.menu h2{
    margin-top: 20px;
    margin-bottom: 0;
    background-color: lightblue;
    cursor: pointer;
}

.subMenu-container {
    list-style: none;
    padding-left: 10px;
    background-color: green;
    height: 0;
    overflow: hidden;
}